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London, Longman, Orme, Brown, etc., 1840. Small 8vo. Orig. full pictorial cloth. Top and Bottom of spine frayed and a little worn. IX,324 pp. + Publishers cat. and 12 fine handcoloured engraved plates, depicting 152 species. Nissen ZBI:4191. Second enlarged edition with charming and finely hand-coloured plates.

le Caire, Impr. L'Inst. Francais, 1969. 4to. Fine private full cloth, plates in orig. hcloth-portfolio. XVIII,155 pp. and 34 plates. Platevolume with 57 plates. (Fouilles de L'Institut Francais D'Archaeologie Orientale...Tome XXVIII).

Karlsruhe, Chr. Fr. Müller'schen Hofbuchhandl., 1829. 8vo. Contemp. hcalf. Gilt spine and titlelabel with gilt lettering.A paperlabel pasted on spine. (4),95,62,152,224 pp. and 10 large folded lithographed plates with many figs. Top of titlepage slightly soiled, a bit brownspotted throughout. Inside frontcover with the stamp of the Danish King Frederik VI.

(London, Richard Taylor, 1851). 4to. No wrappers as extracted from "Philosophical Transactions" 1851 - Part I. Pp. 357-398. First appearance of a landmark paper in organic chemistry in which Hofmann demonstrates the true nature of amines."Wurtz had shown the existence of methyl and ethyl amines and had suggested that that they may be regarded as derivatives of ammonia. Hofmannproved this in adetailled study, in which he showed that all hydrogens of ammonia, and even of the ammonia radical, could be replaced by organic groups to give primary, secondary, and tertiary amines, and quaternary ammonium compounds. In the course of this work, he also cleared up the relation between ammonia and the ammonium radical which had long troubles chemists. The investigation was carried out in 1850, at a time when the type theory was foremost in theminds of organic chemists. It was therefore natural that Hofmann should formulate his nes compounds as representative of the "ammonia type". The formulas which he wrote, however scarcely differ from those used today. These clear examples helped Frankland in developing his theory of variable valence."(Klickstein p. 364). Klickstein's selection is taken form the offered item pp. 392-397.

Kbhvn., Stein, 1785. Samtidigt helskindsbind med ophøjede bind på ryg og rygforgyldning Titeletiket i skind på ryg. En del kantslid og brugsspor på ryg. Stempel på smudstitel og titelbladet. Kobberstukket titelvignet. (16),656 pp. samt subskribentliste (6) pp. og stort udfoldeligt kobberstukket Nordenskort, 1 kobberstukket tekstvignet. Kortet med et par smårifter og reparationer. Originaludgaven. - Bibl. Danica III:277.

Paris, Crochard, 1827. Without wrappers. In: Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago.", Tome 35 (last issue). Halftitle to vol. 35. Pp. 337-400. Dutrochet's paper: pp. 393-400. Some browning to halftitle. Some scattred brownspots. First appearance of Dutrochet's famous paper in which he coined the terms 'endosmosis' and 'exosmosis', describing the process by which water passes through a membrane from a solution on the one side to another solution on the other side. This pressure, due to the passage of water has been called "osmotic". His conclusion, that the pressure is proportional to the concentration of the solution was confirmed by Karl Vierordt in 1848."In 1827, the French physiologist R.J.H. Dutrochet carried out experiments to demonstrate and measure the diffusion of a liquid through a membrane, or 'Osmosis' as it is now called. Dutrochet showed that when a glass tube, filled with salt solution and closed by a piece of pig's bladder, is immersed vertically in water, water passes through the membrane into the tube until the level of liquid in the tube is considerably higher than teh level of the water outside."(Taton "Science in the 19th century", p.256)Garrison & Morton No 670. - Gedeon: 63.2 (ref. to a paper from 1828).

Hafniæ, 1826. 4to. Orig. hollanderet blåt papbd. Ryg lidt slidt, forperm lidt løs. Slid ved kapitæler.. XVIII,(2),442 pp. Gl. ejernavn øverst på det kobberstukne titelblad. Indvendig helt ren. Fiske I:356. Første trykte udgave af Laxdælasagaen med oldnordisk tekst og latinsk oversættelse.

Leipzig, Johann Ambrosius Barth, 1874. 8vo. Contemp. hcalf. 5 raised bands, gilt spine and gilt lettering to spine. A few scratches to spine. Small stamp on verso of first -and general- titlepage. In: "Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff", Sechste Reihe Bd. 3, (= Poggendorff Bd. 153). X,636 pp., 4 plates. (Entire volume offered). Braun's paper: pp. 556-563. First printing of Brown's importent paper in which he described his discovery of a semiconductor diode, noting that electrical currents flows freely in only one direction at the contact between a metal point and a galena crystal."In 1874 Braun published the results of his research on mineral metal sulfides. He found that these crystals conducted electric currents in only one direction. This information was important in electrical research and in measuring another property of substances, the electrical conductivity, but Braun’s discovery did not have immediate practical application. In the early twentieth century the principle that Braun had discovered was employed in crystal radio receivers."(DSB).The Nobel Prize in Physics 1909 was awarded jointly to Guglielmo Marconi and Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".

Kristiania, H. Aschehoug & Co.s Forlag 1897. Lex8vo. In two private half calf with richly gilt backs. (14), 526,(10),553 pp. With 53 plates and numerous text illustrations (all). The original edition. Printing and the Mind of Man No. 384.

(Berlin, Haude et Spener, 1759-68). 4to. Without wrappers extracted from "Mémoires de l'Academie Royale des Science et Belles-Lettres", tome XIII, pp. 175-251 and 4 folded engraved plates, tome XXII, pp. 213-264 and 2 engraved plates., tome XIII, pp.and 1 folded engraved plate. All 3 papers all in first edition. Euler's proposed theory of magnetic fields influenced both Faraday and Maxwell. Euler viewed the magnetic field as waves through the ether, jus like his theory of light was founded on the existence of the ether. - Enestrom E 237 + E 362 and E 238.

Kiøbenhavn, Schultz, 1795. Lille 8vo. Samtidigt hldrbd. med rig rygforgyldning. Forgyldt skindtitel. Med begge blå bogtrykte kardusomslag som titelblade (det som udkom). (2),184 pp. Indvendig ren og trykt på skrivepapir. Vel det tidligste danske værk i almen geologi.

Berlin, Springer, 1932. 8vo. Bound in contemporary half cloth with gilt lettering, In "Zeitschrift für Physik", Band 75, 1932. Entire issue offered. Two stamps to title page, otherwise fine. Pp. 622-647. [Entire volume: VIII, 850 pp + frontiespiece]. First appearance of Fock's seminal paper in which he introduced his algebraic construction used in quantum mechanics to construct the quantum states space of a variable or unknown number of identical particles from a single particle Hilbert space, often referred to as Fock space. Technically, the Fock space is (the Hilbert space completion of) the direct sum of the symmetric or antisymmetric tensors in the tensor powers of a single-particle Hilbert space H."Between 1928 and 1934, Fok obtained important results in the quantum field theory. He completed the mathematical method of secondary quantization proposed by Paul A.M. Dirac and developed by Pascual Jordan and Eugene Wigner. It has been shown that this method does not go beyond the traditional framework of quantum mechanics (as Jordan argued) and that the two ways of description are completely equivalent. As early as 1934 Fok suggested describing a system with a variable number of particles (bosons) in the representations of the secondary quantization with the aid of a generating functional ("Fok’s functional").In his papers Fok introduced a number of new notions. such as "the Fok space" (a Hilbert space in the representation of secondary quantization). In papers written with Dirac and Boris Podolsky (1932), Dirac’s results on interaction of charged particles by the exchange of virtual photons were extended. The one-dimensional problem solved by Dirac was generalized to the realistic three-dimensional case: the multitime formalism of Dirac, Podolsky, and Fok was introduced; and quantum electrodynamics was formulated in its modern form." (DSB).

Leipzig, J.A. Barth, 1874. Without wrappers. In "Annalen der Physik und Chemie. Hrsg. von J.C. Poggendorff", Jubelband. With titlepage to "Jubelband". Titlepage with a stamp. Pp. 557-584 First appearance of a fundamental paper in modern optics in which Helmholtz published his discovery of the resolution limit of the microscope. He found that the limit for the difference of magnitude that we are able to distinguish plainly is in general found equal to half the wave-lenght of theparticular light employed. A further increase in optical power beyond that of the best modern instruments does not therefore seem possible.

London, Longman, Brown, Green, 1853. 4to. 2 cont. hcalf. Gilt backs. All edges gilt. Corners and hinge a little rubbed. 2 engraved titles (dated 1850 a. 1852). Printed titles. (8),XVI,492,VIII,573 pp. The engraved titles brownspotted. 2 engr. maps and 36 steel-engraved plates. Woodcuts in the text. First edition.

Paris, Léon Vanier, 1891. Uncut in orig. printed wrappers. Clean and fine, near mint copy. First edition.

Paris, Guerin & Delatour, 1757. 8vo. Contemp. full calf, raised bands, gilt spine. Titlelabel with gilt lettering. Small paperlabels pasted on spine. Stamps on front free endpapers.VIII,,192 pp. and 5 folded engraved plates. A few scattered brownspots. Otherwise fine. Second edition. - Partington I, 1337.

Stockholm, (Gernandt, 1871). Folio-oblong. Samt. hshirtbd. Litograferet titelblad. 120 pp. tekst samt 15 smukke farvelitograferede plancher og 1 i sort-hvid. Tekstsider lidt brunplettede. Plancher gennemgående med marginale brunpletter.

Fiorenzia (Florence), apresso i Giunti, 1574. 4to. No wrappers. (40) pp. Title framed by a fine renaissance woodcut. Large printers woodcut device at end. 1 large woodcut initials, portrait of Cosimo in woodcut on verso of titlepage. Stamp on titlepage. Light marginal browning. First edition of a funeral sermon on Cosimo Medici (1519-1574).

Berlin, Weidmannsche Buchhandlung, 1927. 8vo. Full cloth, but spine gone. In: "Nachrichten von der Gesellschaft der Wissenschaften zu Göttingen aus dem Jahre 1926". (4),286 pp. Born's paper: pp. 146-160. Internally clean and fine. First printing of one of Born's importent papers on Quantum Mechanics, published a half years after his monumental paper on the statistical interpretation of Quantum Mechanics.The volume contains further PASQUAL JORDAN "Über eine neue Begründung der Quantenmechanik", pp. 161-169.

Tübingen, Wasmuth, (1959-72). 4to. Bound in 18 orig. full cloth with dustjackets. A few tears to some jackets. Richly textillustrated and with plates.

(London, Richard and John E. Taylor, 1845). 4to. No wrappers as extracted from "Philosophical Transactions" 1845 - Part II. Pp 283-296, pp. 297-301, pp.303-317 and 2 engraved plates. The plates somewhat soiled. Textpages fine and clean. First appearance of these three importent papers on animal electricity, being some of the foundational papers in electrophysiology. "In 1842 he made his most famous discovery, the induced twitch, and began publishing his works in English, with a series of memoirs send to the Royal Society."(DSB).In these papers Matteucci describes several arrangements by which he was enabled to make new experiments in confirmation of the laws of muscular currents, of which he has given an account in his recent work "Traité des Phénomenes Electro-Physiologiques des Animaux." He finmds that, in these experiments, the employment of a galvanometer is unnecessary, as the sensibility of the electroscopic frog of Galvani gives sufficient indications of the electrical current without the use of that instrument. From these experiments he derives someimportent generalisations about musculat currents.

Stuttgart u. Tübingen, Cotta'schen Buchh., 1828. Contemp. hcalf. Richly gilt spine. A paperlabel pasted on sine. Stamp on titlepage. IV,303,(1) pp., and 7 large folded lithographed plates. Some browning and brownspots. Plates fine and clean. First German edition of "An Essay on the principles and Construction of military Bridges. London, 1816."

Leipzig, Weidmennische Buchladen, 1738. 4to. Cont. full calf. Raised bands. titlelabel with lettering. Compartments blindtooled. With the monogram af King frederik V on red background on both covers. Stamp on title-page. (52),173,(3);420,(2) pp. and 10 folded engraved maps and plans (one supplied in facsimile). A few minor brownspots, but clean and fine. First German edition. - Rumpf, 782 (1782-ed.)

[Paris, Presses Universitaires de France, 1966]. 4to. In the original stapled blank blue printed wrappers. Offprint from "Institut des Hautes Études Scientifiques. Publications Mathématiques" No. 29. Light wear to extrimities, otherwise fine and clean. Pp. 95-103, (1). Scarce offprint issue of Grothendieck's seminal paper in which he founded crystalline cohomology. He introduced crystalline cohomology to study the p-torsion part of the cohomology of characteristic p varieties. In the crystalline topology which is the basis of this theory, covering maps are given by infinitesimal thickenings together with divided power structures. The crystalline covers of a fixed scheme form a category with no final object.

(Paris), Au Depot général dee la Marine, 1813. 85x59 cm. Kobberstukket kort i stort format over Kattegat og den nordlige del af Øresund med København i syd, den svenske vestkyst fra Tjørnø i nord til Barsebæk i syd. Jyllands østkyst fra Skagen i nord til Gylling Næs i syd med øerne Anholt, Læsø, Samsø, Endelave m.v. Lidt rifter i højre marginsom ikke når bileldfladen. Fint rent eksemplar. Dette yderst detaljerede søkort blev udgivet af der franske marineministerium (Depot de la Marine) ved Vice-admiral Denis Duc de Decres.